If you aren't at your console, you can use the official Xbox applications to look up players.
Once the profile appears, you can add them as a friend, send a message, or view their full profile. : Sign in to Xbox Live and navigate to the Social tab. Select Friends , then Add Friend . Type in the gamertag to send a friend request. Searching via Apps and PC search xbox gamertags
Because official tools can be sluggish, many users rely on third-party websites. If you aren't at your console, you can